5524686728 has 36 divisors (see below), whose sum is σ = 11390873445. Its totient is φ = 2510170080.

The previous prime is 5524686721. The next prime is 5524686751. The reversal of 5524686728 is 8276864255.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 5077702564 + 446984164 = 71258^2 + 21142^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=52558.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5524686728.

It is not an unprimeable number, because it can be changed into a prime (5524686721) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2311358 + ... + 2313746.

Almost surely, 2^5524686728 is an apocalyptic number.

It is an amenable number.

5524686728 is an abundant number, since it is smaller than the sum of its proper divisors (5866186717).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5524686728 is an equidigital number, since it uses as much as digits as its factorization.

5524686728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806 (or 2402 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 53.

The square root of 5524686728 is about 74328.2364112051. The cubic root of 5524686728 is about 1767.8112185225.

The spelling of 5524686728 in words is "five billion, five hundred twenty-four million, six hundred eighty-six thousand, seven hundred twenty-eight".